CN213033000U

CN213033000U - Silicon carbide classified screening device

Info

Publication number: CN213033000U
Application number: CN202020843122.8U
Authority: CN
Inventors: 李冰
Original assignee: Qingdao Jiuding Cast Metallurgical Materials Co ltd
Current assignee: Qingdao Jiuding Cast Metallurgical Materials Co ltd
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2021-04-23
Anticipated expiration: 2030-05-20

Abstract

The utility model discloses a carborundum classified screening device. The utility model discloses an organism, a plurality of evenly distributed's of organism lower extreme fixedly connected with support column, there is the motor organism one side upper end through dead lever fixed mounting, the output of motor is connected with work switching piece, work switching piece includes the transmission shaft with motor output fixed connection, the transmission shaft other end has cup jointed fan-shaped cam and incomplete gear coaxially fixed in proper order, incomplete gear top is equipped with the gear rather than meshing and be connected. The utility model discloses can be automatic and effectual dredge each sieve mesh on to the sieve, prevent to block up, do not need artifical dismouting sieve, improve screening efficiency.

Description

Silicon carbide classified screening device

Technical Field

The utility model relates to a sieving mechanism technical field especially relates to a carborundum classified screening device.

Background

Silicon carbide, also known as carborundum, has high hardness, good chemical stability, high heat-resistant coefficient and certain toughness, so that the carborundum can be used as an abrasive, a refractory material, a corrosion-resistant material and the like, is widely applied to various industries, and has different size requirements on the carborundum in various industries, so that the carborundum with different sizes needs to be produced.

Need carry out the screening process because of the carborundum raw materials is not of uniform size after smashing, and traditional screening technique in-process sieve plate blocks up easily, needs artifical mediation, leads to the raw materials to pile up, and screening efficiency is slow.

Therefore, we propose a silicon carbide classifying and screening apparatus to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a silicon carbide classifying and screening device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the silicon carbide classified screening device comprises a machine body, wherein the lower end of the machine body is fixedly connected with a plurality of uniformly distributed supporting columns, the upper end of one side of the machine body is fixedly provided with a motor through a fixing rod, and the output end of the motor is connected with a work switching piece;

the work switching piece comprises a transmission shaft fixedly connected with the output end of the motor, the other end of the transmission shaft is sequentially coaxially and fixedly sleeved with a sector cam and an incomplete gear, and a gear meshed with the incomplete gear is arranged above the incomplete gear;

a push type switch is fixed on one side of the machine body below the work switching piece, a screw rod is coaxially and fixedly connected to one side of the gear far away from the motor, one end of the screw rod far away from the gear penetrates through the machine body, rotating bearings are embedded in inner walls on two sides of the machine body, the screw rod is fixedly connected with inner rings of the rotating bearings, two limiting rods are fixedly connected to the inner walls on two sides of the machine body, the limiting rods are positioned above the screw rod and symmetrically distributed on the screw rod, dredging devices are arranged on the two limiting rods and one screw rod, a sieve plate is fixedly connected to the inner wall of the machine body, and sieve holes distributed in a matrix shape;

the dredging device comprises a first sliding block which is connected with a limiting rod in a sliding mode and is in threaded connection with a screw rod, a protective shell is fixedly arranged below the first sliding block, a lifting block is connected into the protective shell through a sliding mechanism, an electromagnet and a permanent magnet are fixedly arranged on one side, opposite to the lifting block, of the first sliding block respectively at corresponding positions, the electromagnet and the permanent magnet are arranged in a repellent mode, a plurality of second springs are fixedly connected to one side, opposite to the lifting block, of the first sliding block together, the lower end of the lifting block is fixedly connected with a plurality of dredging rods which are uniformly and vertically arranged, the lower ends of the dredging rods penetrate through the protective shell and extend to the upper portion of the sieve plate, and the dredging rods correspond to single-row sieve holes;

the organism outer wall is equipped with the storage case, the feed inlet that lets in the organism inside and be located the sieve top is seted up to storage incasement wall, the entrance of feed inlet is equipped with accuse material device, the organism right side just inlays in the sieve upper end and is equipped with first ejection of compact pipeline, and the one end of first ejection of compact pipeline extends to outside and downward sloping.

Preferably, slide mechanism is including seting up the spout at protective housing both sides inner wall, sliding connection has the second slider in the spout, two the second slider all with elevator fixed connection.

Preferably, the first sliding block is embedded with a linear bearing connected with the limiting rod in a sliding manner and a nut connected with the screw in a threaded manner.

Preferably, accuse material device include with organism outer wall fixed connection and cross-section be the fixture block of L type, form the draw-in groove between fixture block and the organism, sliding connection has the striker plate in the draw-in groove, the first spring of fixedly connected with between striker plate and the draw-in groove bottom surface, organism upper end and fixedly connected with rope pole on the corresponding position of fixture block, the rope pole is gone up to be tied there is the string, and the one end that the rope pole was kept away from to the string runs through the fixture block, passes first spring and with striker plate fixed connection.

Preferably, the sieve plate is arranged obliquely from left to right.

Preferably, the bottom surface is the infundibulate structure in the organism, organism bottom intercommunication has the second ejection of compact pipeline, and installs the valve on the second ejection of compact pipeline.

Compared with the prior art, the silicon carbide classifying and screening device has the advantages that:

1. through setting up the whole realization of pull throughs and work switching piece: incomplete gear is in the non-engagement state with the gear, and the push type switch is pressed to the sector cam, and the electro-magnet circular telegram, dredge rod descend the mediation → the sector cam stops to press the push type switch, and the electro-magnet outage, dredge rod rise → incomplete gear is in the engaged state with the gear, rotate through the screw rod and drive pull throughs and move left to the circulation process directly over next row of sieve mesh, conveniently effectively dredge each row of sieve mesh, guarantee that the screening is normal next time.

2. Through setting up the storage case, and be equipped with accuse material device in the storage case, adjust the size that the striker plate spills the feed inlet according to the proportion size that accords with the granule size requirement in the carborundum raw materials, the proportion size is the inverse relation with the size that spills the feed inlet, through the pull-up string, overcome the elasticity of first spring and make the striker plate rise to with string system on the rope pole, thereby fixed striker plate, and then spill the feed inlet of equidimension, control the input speed of carborundum raw materials.

3. Through setting up the sieve of slope installation, make the carborundum raw materials fall into behind the sieve great raw materials gliding to first ejection of compact pipeline and discharge, and prevent that the raw materials from piling up, be difficult for collecting.

To sum up, the utility model discloses can dredge each sieve mesh on the sieve automatically and effectually, prevent to block up, do not need artifical dismouting sieve, improve screening efficiency.

Drawings

FIG. 1 is a front perspective view of a silicon carbide classifying and screening apparatus according to the present invention;

FIG. 2 is a side perspective view of the pull through of FIG. 1;

fig. 3 is a schematic side view of the operation switching member in fig. 1.

In the figure: 1 organism, 2 support columns, 3 storage cases, 4 striker plates, 5 first springs, 6 rope rods, 7 sieve plates, 8 limiting rods, 9 screw rods, 10 dredging devices, 101 first sliding blocks, 102 lifting blocks, 103 second springs, 104 electromagnets, 105 permanent magnets, 106 second sliding blocks, 107 protective housings, 108 dredging rods, 11 rotating bearings, 12 first discharging pipelines, 13 second discharging pipelines, 14 valves, 15 fixed rods, 16 motors, 17 work switching pieces, 171 transmission shafts, 172 sector cams, 173 incomplete gears, 174 gears and 18 press switches.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a carborundum classified screening device, including organism 1, 1 lower extreme fixedly connected with of organism a plurality of evenly distributed's support column, 1 inner wall fixedly connected with of organism is from sieve 7 that the left hand right side slope set up, and the sieve can be placed in elastic environment, and the sieve 7 upper end is even vertically offered and is the sieve mesh of matrix distribution, and there is motor 16 organism 1 one side upper end through dead lever 15 fixed mounting, and motor 16's output is connected with work and switches piece 17.

The work switching member 17 includes a transmission shaft 171, a sector cam 172, an incomplete gear 173 and a gear 174, one end of the transmission shaft 171 is fixedly connected with the output end of the motor 16, the other end is coaxially and fixedly connected with the sector cam 172 and the incomplete gear 173 in turn, the gear 174 engaged with the incomplete gear 173 is arranged above the incomplete gear 173, and the motor 16 intermittently rotates when working.

A push switch 18 is fixed on one side of the machine body 1 below the work switching piece 17, and when the motor 16 works, the push switch can be pressed by a rotating sector cam 172, a screw 9 is fixedly connected with one side of the gear 174 far away from the motor 16 coaxially, the other end of the screw 9 penetrates through a rotating bearing 11 embedded on the inner walls of two sides of the machine body 1, the screw 9 is fixedly connected with the inner ring of the screw 9, two limiting rods 8 are fixedly connected with the inner walls of two sides of the machine body 1, the positions of the limiting rods are above the screw 9 and are symmetrically distributed about the screw 9, and dredging devices 10 are arranged on the two limiting rods 8 and one screw 9.

Specifically, the dredging device 10 comprises a first slide block 101 which is connected with a limiting rod 8 in a sliding manner and is in threaded connection with a screw 9, a linear bearing which is connected with the limiting rod 8 in a sliding manner and a nut which is connected with the screw 9 in a threaded manner are embedded on the first slide block 101, a protective shell 107 is fixedly arranged below the first slide block 101, an elevating block 102 is connected in the protective shell 107 through a sliding mechanism, the sliding mechanism comprises sliding grooves which are formed in the inner walls of the two sides of the protective shell 107, second slide blocks 106 are connected in the sliding grooves in a sliding manner, the two second slide blocks 106 are both fixedly connected with the elevating block 102, an electromagnet 104 and a permanent magnet 105 are respectively and fixedly arranged at the corresponding positions on the opposite sides of the first slide block 101 and the elevating block 102, the electromagnet 104 and the permanent magnet 105 are arranged in a repelling manner, a plurality of second springs 103 are fixedly connected to the opposite sides of the first slide block 101 and the elevating, and the lower end of the dredging rod 108 penetrates through the protective shell 107 and extends to the upper part of the sieve plate 7, and the dredging rods 108 correspond to the single-row sieve holes one by one.

Storage case 3 is equipped with to 1 outer wall of organism, the feed inlet has been seted up to 3 inner walls of storage case, and be located sieve 7 tops, the feed inlet entrance is equipped with accuse material device, it is concrete, accuse material device include with 1 outer wall fixed connection of organism and the fixture block of cross-section for the L type, form the draw-in groove between fixture block and the organism 1, sliding connection has striker plate 4 in the draw-in groove, fixedly connected with first spring 5 between the top in striker plate 4 and the draw-in groove, fixedly connected with rope pole 6 on 1 upper end of organism and on the corresponding position of fixture block, the string has on the rope pole 6, and the one end that rope pole 6 was kept away from to the string runs through the fixture block, pass first spring 5 and with striker plate 4 fixed connection, thereby control feed inlet size restriction.

The right side of the machine body 1 is embedded with a first discharging pipeline 12 at the upper end of the sieve plate 7, one end of the first discharging pipeline 12 extends to the outside and inclines downwards to prevent the silicon carbide raw material particles from splashing, the inner bottom wall of the machine body 1 is of a funnel-shaped structure and used for collecting the silicon carbide raw material particles after screening, the bottom end of the machine body 1 is communicated with a second discharging pipeline 13, and the second discharging pipeline 13 is provided with a valve 14 so as to be convenient for taking out the silicon carbide raw material particles after screening at any time.

When using this neotype, for avoiding the short time to the 1 interior a large amount of carborundum raw materials of feeding of organism, lead to the screening incomplete, the carborundum raw materials that flow exists the condition that accords with the granule size requirement, consequently need the volume in the feeding organism 1 of control unit interval, adjust the size that striker plate 4 spills the feed inlet according to the proportion size that accords with the granule size requirement in the carborundum raw materials, the proportion size is the inverse relation with the size that spills the feed inlet, specifically as follows: the silicon carbide raw material is put into the material storage box 3, the striker plate 4 is lifted by pulling up the string and overcoming the elasticity of the first spring 5, and the string is tied on the rope rod 6, so that the striker plate 4 is fixed, and a feed inlet with a certain size is leaked.

The carborundum raw materials passes through the feed inlet and falls into on sieve 7, and after sieve 7 screens, great carborundum raw materials granule that does not pass through the sieve mesh loops through first ejection of compact pipeline 12 and discharges, and the carborundum raw materials granule that passes through the sieve mesh falls into organism 1 bottom, opens valve 14 after finishing the screening operation, makes the carborundum raw materials in the organism 1 discharge through second ejection of compact pipeline 13.

It should be noted that, the inside of the machine body 1 is provided with a device for improving the screening efficiency of the screen plate 7, such as a vibrator, and the screen plate 7 needs to be in an elastic environment, but is irrelevant to the problem to be solved by the present invention, and therefore, is not shown and will not be described in detail.

In the operation process, silicon carbide raw materials with different sizes can block the sieve pores, so that the subsequent screening work is not facilitated;

in using this novel back, motor 16 drives work switching piece 17 low-speed rotation, use motor 16 anticlockwise drive as an example, motor 16 passes through transmission shaft 171 and drives fan-shaped cam 172 and incomplete gear 173 low-speed rotation, when incomplete gear 173 is in non-meshing state with gear 174, fan-shaped cam 172 rotates to its bottom and presses push type switch 18, electro-magnet 104 among the pull throughs 10 is the on-state this moment, electro-magnet 104 after the circular telegram and permanent magnet 105 homopolar of below produce the magnetic repulsion, make elevator 102 and pull throughs 108 descend, dredge the sieve mesh that is located directly below it.

When the sector cam 172 rotates to the bottom end of the sector cam, the push switch 18 is not pressed, at the moment, the electromagnet 104 in the dredging device 10 is in a power-off state, the electromagnet 104 is not magnetic, the lifting block 102 and the dredging rod 108 are driven to ascend under the contraction action of the second spring 103, dredging of a single row of sieve holes on the sieve plate 7 is finished, the incomplete gear 173 is meshed with the gear 174 and drives the screw rod 9 coaxially arranged with the incomplete gear to rotate, the dredging device 10 moves leftwards under the limiting of the two limiting rods 8, and in the meshing process of the incomplete gear 173 and the gear 174, the moving distance of the dredging device 10 is the distance between the two rows of sieve holes.

In summary, the incomplete gear 173 in the operation switching member 17 drives the gear 174 to intermittently rotate and intermittently press the push switch 18, and meanwhile, the dredging device 10 intermittently moves along the direction of the limiting rod 8 under the rotation action of the screw 9, and the groups of sieve holes are dredged under the intermittent movement action of the dredging device 10 and the lifting action of the dredging rod 108.

The whole realization: the incomplete gear 173 and the gear 174 are in a non-meshed state, the sector cam 172 presses the push switch 18, the electromagnet 104 is electrified, the dredging rod 108 descends to dredge → the sector cam 172 stops pressing the push switch 18, the electromagnet 104 is powered off, the dredging rod 108 ascends → the incomplete gear 173 and the gear 174 are in a meshed state, and the screw 9 rotates to drive the dredging device 10 to move leftwards to a circulating process directly above the next row of sieve holes.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The silicon carbide classified screening device comprises a machine body (1), and is characterized in that the lower end of the machine body (1) is fixedly connected with a plurality of uniformly distributed support columns (2), the upper end of one side of the machine body (1) is fixedly provided with a motor (16) through a fixed rod (15), and the output end of the motor (16) is connected with a work switching piece (17);

the work switching piece (17) comprises a transmission shaft (171) fixedly connected with the output end of the motor (16), the other end of the transmission shaft (171) is sequentially coaxially and fixedly sleeved with a sector cam (172) and an incomplete gear (173), and a gear (174) in meshed connection with the incomplete gear (173) is arranged above the incomplete gear;

a push switch (18) is fixed on one side of the machine body (1) and below the working switching piece (17), one side of the gear (174) far away from the motor (16) is coaxially and fixedly connected with a screw rod (9), one end of the screw rod (9) far away from the gear (174) penetrates through the machine body (1), rotating bearings (11) are embedded in the inner walls of the two sides of the machine body (1), and the screw rod (9) is fixedly connected with the inner ring of the rotating bearing (11), two limiting rods (8) are fixedly connected with the inner walls of the two sides of the machine body (1), the positions of the two limiting rods are arranged above the screw rods (9) and are symmetrically distributed relative to the screw rods (9), two limiting rods (8) and one screw rod (9) are provided with dredging devices (10), the inner wall of the machine body (1) is fixedly connected with a sieve plate (7), and sieve holes distributed in a matrix shape are uniformly and vertically formed in the upper end of the sieve plate (7);

the dredging device (10) comprises a first sliding block (101) which is connected with the limiting rod (8) in a sliding way and is in threaded connection with the screw rod (9), a protective shell (107) is fixedly arranged below the first sliding block (101), a lifting block (102) is connected in the protective shell (107) through a sliding mechanism, an electromagnet (104) and a permanent magnet (105) are respectively and fixedly arranged on the opposite side of the first sliding block (101) and the lifting block (102) at corresponding positions, the electromagnet (104) and the permanent magnet (105) are arranged in a repulsive manner, a plurality of second springs (103) are fixedly connected with one side of the first sliding block (101) opposite to the lifting block (102) together, the lower end of the lifting block (102) is fixedly connected with a plurality of dredging rods (108) which are uniformly and vertically arranged, the lower ends of the dredging rods (108) penetrate through the protective shell (107) and extend to the upper side of the sieve plate (7), and the dredging rods (108) correspond to the sieve holes in the single row one by one;

the utility model discloses a sieve plate, including organism (1), storage case (3), sieve plate (7), inlet, outlet, inlet, outlet, organism (1) outer wall is equipped with storage case (3), the feed inlet that lets in organism (1) inside and be located sieve (7) top is seted up to storage case (3) inner wall, the entrance of feed inlet is equipped with accuse material device, organism (1) right side just inlays in sieve (7) upper end and is equipped with first ejection of compact pipeline (12), and the one end of first ejection of compact pipeline (12) extends to.

2. The silicon carbide classifying and screening device according to claim 1, wherein the sliding mechanism includes sliding grooves formed on the inner walls of the two sides of the protective shell (107), second sliding blocks (106) are slidably connected in the sliding grooves, and both of the second sliding blocks (106) are fixedly connected with the lifting block (102).

3. The silicon carbide classifying and screening device according to claim 1, wherein the first slide block (101) is embedded with a linear bearing slidably connected with the limiting rod (8) and a nut in threaded connection with the screw (9).

4. The silicon carbide classifying and screening device according to claim 1, wherein the material control device includes a clamping block fixedly connected with the outer wall of the machine body (1) and having an L-shaped cross section, a clamping groove is formed between the clamping block and the machine body (1), a material baffle plate (4) is slidably connected in the clamping groove, a first spring (5) is fixedly connected between the material baffle plate (4) and the inner top end of the clamping groove, a rope rod (6) is fixedly connected to the upper end of the machine body (1) and at a corresponding position of the clamping block, a string is tied on the rope rod (6), and one end of the string, which is far away from the rope rod (6), penetrates through the clamping block, the first spring (5) and is fixedly connected with the material baffle plate (4).

5. A silicon carbide classifying and screening apparatus according to claim 1, wherein the screen plate (7) is disposed obliquely from left to right.

6. The silicon carbide classifying and screening device according to claim 1, wherein the inner bottom surface of the machine body (1) is a funnel-shaped structure, the bottom end of the machine body (1) is communicated with a second discharging pipeline (13), and a valve (14) is installed on the second discharging pipeline (13).